DS33X81+ Maxim Integrated Products, DS33X81+ Datasheet - Page 347

• Manufacturer Part Number: DS33X81+
• Description: IC MAPPING ETHERNET 256CSBGA
• Manufacturer: Maxim Integrated Products

Specifications of DS33X81+

• Applications: Data Transport
• Interface: Parallel/Serial
• Voltage - Supply: 1.8V, 2.5V, 3.3V
• Package / Case: 256-CSBGA
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 12-9. Receive RMII Interface
REF_CLK Frequency
REF_CLK Period
REF_CLK Low Time
REF_CLK High Time
RXD, RX_CRS to
REF_CLK Setup Time
REF_CLK to RXD,
RX_CRS Hold Time
Figure 12-6. Receive RMII Interface Timing
Rev: 063008
________________________________________________ DS33X162/X161/X82/X81/X42/X41/X11/W41/W11
REF_CLK
RXD[3:0]
RX_CRS
PARAMETER
SYMBOL
t1
t2
t3
t8
t9
t8
t8
MIN
7
7
5
5
10Mbps
50MHz
50ppm
TYP
20
t9
±
t6
MAX
13
13
t5
MIN
7
7
5
5
t7
100Mbps
50MHz
50ppm
TYP
20
±
MAX
13
13
t9
UNITS
MHz
347 of 375
ns
ns
ns
ns
ns